diff --git a/include/configs/ml401.h b/include/configs/ml401.h
index 3db2877..a602652 100644
--- a/include/configs/ml401.h
+++ b/include/configs/ml401.h
@@ -32,6 +32,7 @@
 #define	CONFIG_ML401		1	/* ML401 Board */
 
 /* uart */
+#define	XILINX_UARTLITE
 #define	CONFIG_SERIAL_BASE	XILINX_UART_BASEADDR
 #define	CONFIG_BAUDRATE		XILINX_UART_BAUDRATE
 #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }
diff --git a/include/configs/suzaku.h b/include/configs/suzaku.h
index ca5c751..9661726 100644
--- a/include/configs/suzaku.h
+++ b/include/configs/suzaku.h
@@ -48,6 +48,7 @@
 #define CFG_MALLOC_LEN		(256 << 10)	/* Reserve 256 kB for malloc */
 #define CFG_MALLOC_BASE		(CFG_MONITOR_BASE - (1024 * 1024))
 
+#define XILINX_UARTLITE
 #define CONFIG_BAUDRATE		115200
 #define CFG_BAUDRATE_TABLE	{ 115200 }
 
diff --git a/include/configs/xupv2p.h b/include/configs/xupv2p.h
index 25fa495..bac31f4 100644
--- a/include/configs/xupv2p.h
+++ b/include/configs/xupv2p.h
@@ -32,6 +32,7 @@
 
 /* uart */
 #ifdef XILINX_UARTLITE_BASEADDR
+#define	XILINX_UARTLITE
 #define	CONFIG_SERIAL_BASE	XILINX_UARTLITE_BASEADDR
 #define	CONFIG_BAUDRATE		XILINX_UARTLITE_BAUDRATE
 #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }